18181575

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{4253}}^1$

素因数の和:4288

約数の個数: 36

約数和(自身を含む): 34287240

約数和(自身を除く): 16105665

約数列:

[1, 3, 5, 9, 15, 19, 25, 45, 57, 75, 95, 171, 225, 285, 475, 855, 1425, 4253, 4275, 12759, 21265, 38277, 63795, 80807, 106325, 191385, 242421, 318975, 404035, 727263, 956925, 1212105, 2020175, 3636315, 6060525, 18181575]

約数ペア:

[(1, 18181575), (3, 6060525), (5, 3636315), (9, 2020175), (15, 1212105), (19, 956925), (25, 727263), (45, 404035), (57, 318975), (75, 242421), (95, 191385), (171, 106325), (225, 80807), (285, 63795), (475, 38277), (855, 21265), (1425, 12759), (4253, 4275)]